You know you remember Mr. Peepers, Chris Kattan's Cro-Magnon-era character from "Saturday Night Live." And Mango. And that time he lampooned Olympic gymnast Kerri Strug's high-pitched voice — sitting right next to her in a sketch playing her "brother" Kippi.

"When I described it to her, she was like 'I just want to make sure you're not making fun of me,'" Mr. Kattan told The Washington Times, then demonstrating the high-pitched voice he used for Kippi, which clearly lampooned Ms. Strug's